1. On becoming a 21st century engineer;Sheppard;Journal of Engineering Education,2008
2. The Necessary Revolution: How Individuals and Organizations are Working Together to Create a Sustainable World;Senge,2008
3. Hot, Flat, and Crowded: Why We Need a Green Revolution–and How it Can Renew America;Friedman,2008
4. Why sustainability is now the key driver of innovation;Nidumolu;Harvard Business Review,2009
5. The sustainability imperative;Lubin;Harvard Business Review,2010